Home / 3,418,068.80-5,127,395.92-893,720

Finding the Fourth Proportional to 3,418,068.80, 5,127,395.92 and 893,720

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Solution

The fourth proportional to 3,418,068.80, 5,127,395.92 and 893,720 is: 1,340,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,068.80 : 5,127,395.92 = 893,720 : x
  2. Step 2: Convert to fraction form
    3,418,068.80/5,127,395.92 = 893,720/x
  3. Step 3: Cross multiply
    3,418,068.80x = 5,127,395.92 × 893,720
  4. Step 4: Simplify right side
    3,418,068.80x = 4,582,456,281,622.40
  5. Step 5: Solve for x
    x = 4,582,456,281,622.40/3,418,068.80
  6. Step 6: Final answer
    x = 1,340,656.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.